You sure you want to buy something now with Intel's Sandy Bridge launching in roughly 1.5 months?

Originally Posted by Varrock

AMD Phenom II X4 955 Black Edition

Something you already have? I'd recommend a AMD Phenom II X6 instead for only about $15 more if this is a new part you are talking about.

GSkill Ripjaws 4GB (1x4GB) DDR3 1600

But you want a MB that supports 16?

Western Digital 1TB 3.0 Gbs or 6.0 Gbs depending on the recommendation

No difference for gaming. If you want fast go SSD.

I prefer a single video slot. SLI and Crossfire are overrated in my opinion.

You realize that by taking something most choose not to take you are going to be getting a board that has, in theory, much less tech support and trouble reports, yes?

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My AMD stuff may be a touch out of date, but I have the ASUS M4A77TD marked for single GPU at $80, but again I'd recommend the ASUS M4A89GTD PRO/USB3 at $145 or GA-890GPA-UD3H at $135. Even if you don't use it for graphics, it's a faster slot. Plus, multi slot MBs are larger, thus likely easier to work with, and offer more expandability than single slot as those tend to be on small form factor.